Firefox won't open when clicked on.
When I click on Firefox, the blue circle spins but the browser never opens. When I watch the running processes on the task manager, firefox.exe pops up after I click the applications, but goes away after a few seconds. I've tried unistalling/re-installing with no luck. I've tried to run the profile manager from the command line, but again, the blue circle spins, then nothing happens. I have tried to hold down the shift key and start in safe mode, but no prompt ever appears to reset/start in safe mode. Not sure what to do now...
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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options) key, and then starting Firefox. Is the problem still there?
While in Safe Mode;
Type about:preferences#advanced<Enter> in the address bar.
Under Advanced, Select Network. Look for Configure How Firefox Connects and press the Settings button. If you are using a proxy, make sure those settings are correct. If there is no proxy, first use No Proxy. If there is a problem, then try System Proxy.
Some problems occurs when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;
- Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
- Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
Configure firewalls so that Firefox can access the Internet. {web link}